PHC "Z"Cups

Posted by Warren Francis on July 19, 2001:

I suspect not only new materials and a new machining process, but a cryogenic treatment of the final cup.I believe that is where the de-stressing of the molecular structure occurs.
As a user of the PHC mouthpieces for the last 24 years I am skeptical as they are so good already! However,continued sucess in your endeavors!

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